Home / 38,660.08-57,991.38-13,696.72

Finding the Fourth Proportional to 38,660.08, 57,991.38 and 13,696.72

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Solution

The fourth proportional to 38,660.08, 57,991.38 and 13,696.72 is: 20,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.08 : 57,991.38 = 13,696.72 : x
  2. Step 2: Convert to fraction form
    38,660.08/57,991.38 = 13,696.72/x
  3. Step 3: Cross multiply
    38,660.08x = 57,991.38 × 13,696.72
  4. Step 4: Simplify right side
    38,660.08x = 794,291,694.27
  5. Step 5: Solve for x
    x = 794,291,694.27/38,660.08
  6. Step 6: Final answer
    x = 20,545.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.